Login as admin Go to Administration -> General -> Advanced features and enable Allow stealth activities Create a course with some sections and activities Go to the course in edit mode Click on "Bulk edit" button near the course name Select an activity and click on the availability button in the sticky footer to open the bulk availability modal Check the radio button is located at the left of the availability icon (the eye icons) Close the modal and unselect the activity Now select a section and click on the availability button in the sticky footer to open the bulk availability modal Check the radio button is located at the left of the availability icon (the eye icons)